Search results for nitrogen-vacancy

Quantum Physics Jun 7, 2024

Mapping noise to improve quantum measurements

One of the biggest challenges in quantum technology and quantum sensing is "noise"–seemingly random environmental disturbances that can disrupt the delicate quantum states of qubits, the fundamental units of quantum information.

Condensed Matter Jun 6, 2024

Highly sensitive diamond quantum magnetometer can achieve practical ambient condition magnetoencephalography

A highly sensitive diamond quantum magnetometer utilizing nitrogen-vacancy centers can achieve millimeter-scale resolution magnetoencephalography (MEG), as reported by scientists from Tokyo Tech. The novel magnetometer, based ...

Nanophysics May 13, 2024

Electron vortices in graphene detected for the first time

When an ordinary electrical conductor—such as a metal wire—is connected to a battery, the electrons in the conductor are accelerated by the electric field created by the battery. While moving, electrons frequently collide ...

Optics & Photonics May 9, 2024

Study demonstrates fast photoionization detection of single erbium ions in silicon

Efficient detection of single optical centers is crucial for applications in quantum computing, sensing, and single-photon generation. For example, nitrogen-vacancy (NV) centers in diamond have made breakthroughs in high-precision ...

Optics & Photonics Apr 24, 2024

Lead-vacancy centers in diamond as building blocks for large-scale quantum networks

Much like how electric circuits use components to control electronic signals, quantum networks rely on special components and nodes to transfer quantum information between different points, forming the foundation for building ...

Nanomaterials Apr 3, 2024

'Neutronic molecules': Study shows neutrons can bind to quantum dots

Neutrons are subatomic particles that have no electric charge, unlike protons and electrons. That means that while the electromagnetic force is responsible for most of the interactions between radiation and materials, neutrons ...

Analytical Chemistry Mar 22, 2024

Researchers propose electrocatalytic ammonia synthesis as a more environmentally friendly method

A team of researchers has unveiled a promising alternative to the conventional means of synthesizing ammonia, one that is more environmentally friendly.

Superconductivity Feb 28, 2024

Researchers develop 'foundational tool' for understanding behavior of hydride superconductors at high pressure

Hydrogen (like many of us) acts weird under pressure. Theory predicts that when crushed by the weight of more than a million times our atmosphere, this light, abundant, normally gaseous element first becomes a metal, and ...

Quantum Physics Feb 16, 2024

Diamond quantum memory with Germanium vacancy exceeds coherence time of 20 ms

The color centers of diamond are the focus of an increasing number of research studies, due to their potential for developing quantum technologies. Some works have particularly explored the use of negatively-charged group-IV ...

Condensed Matter Feb 12, 2024

How semiconductor defects could boost quantum technology

In diamonds (and other semiconducting materials), defects are a quantum sensor's best friend. That's because defects, essentially a jostled arrangement of atoms, sometimes contain electrons with an angular momentum, or spin, ...

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